Effects of omentectomy in addition to sleeve gastrectomy on the metabolic and inflammatory profiles of obese rats
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Background: visceral obesity has been considered a risk factor for metabolic and cardiovascular complications. In an attempt to reduce the visceral adipose tissue, omentectomy has been proposed to be performed along with bariatric surgery. Objective: the goal of this study was to evaluate whether omentectomy associated with sleeve gastrectomy (SG) is beneficial to the inflammatory and metabolic profile of rats fed a standard diet (STD) or high-fat diet (HFD). Setting: University hospital, Brazil. Methods: for this experiment, male Wistar rats were randomly divided into 6 groups as follows: sham surgery (STD+L or HFD+L), SG alone (STD+SG or HFD+SG), or SG with omentectomy (STD+SGO or HFD+SGO). Anthropometric data and metabolic profiles were evaluated, and the tissue expression of inflammatory markers in the visceral adipose tissue was measured. Results: in rats with diet-induced obesity treated with SG with or without omentectomy, there was a reduction in weight (HFD+SG: P<.01 and HFD+SGO: P<.05), adiposity (HFD+SG: P<.001 and HFD+SGO: P<.05), plasma levels of glucose (HFD+SG: P<.01 and HFD+SGO: P<.01), plasma levels of C-peptide (HFD+SG: P<.01 and HFD+SGO: P<.001), plasma levels of insulin (HFD+SG: P<.05 and HFD+SGO: P<.001), plasma levels of total cholesterol (HFD+SG: P<.01 and HFD+SGO: P<.01), and tissue expression of TNF-α (HFD+SG: P<.001 and HFD+SGO: P<.01), but there was no statistically significant difference between the groups in which omentectomy was performed or was not. Conclusion: in this study, we did not observe additional beneficial effects due to omentectomy associated with SG in the metabolic profile and tissue expression of inflammatory markers.
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Obesidade, Gastrectomia, Cirurgia bariátrica, Emagrecimento, Inflamação
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https://www.sciencedirect.com/science/article/pii/S1550728916000319?via%3Dihub